Control butter
[医] 对照试验
🧩 词语组成解析
control
[kən'trol]
vt. 控制;管理;限制;支配;
n. 支配权;操纵者;（对国家、地区、机构等的）管理权;（键盘上的）控制键;
butter
['bʌtɚ]
n. 黄油;黄油状的食品;奉承话;焊膏;
vt. 抹黄油于…上;用黄油煎食物;讨好;
🗣️ 情景例句
Over?
结束？
Don't keep all your eggs in one basketball.
勿孤注一掷。
In the evening, the children come home from school.They arrive home early.
傍晚，孩子们放学回家。他们到家很早。